Container



c. BARBIERI 2,132,597

CONTAINER I Filed oct. 5, 195e Patented on. 11, 193s NT OFFICE l CONTAINER Cesare Barbieri, New York, N.,` Y., assigner to Dixie-Vortex Company, Chicago, Iii., a corporation of Delaware This invention relates to improvements in containers, and more particularly to containers 'of the character made of paper or some similar sulciently economical material to Warrant disposition g of the container after a single usage, the invention being highly desirable in connection with paper drinking cups, ice cream' cups and the like, although the invention will have other uses and purposes as will be apparent to one skilled in m the art. l

More specically, the invention relates to containers of this character having flat bottoms, each container being preferably made from two initially separate blanks of material, namely, a

body blank and a bottomv blank which are secured together during the manufacture of the container. l

l'n the manufacture of cups or containers made of paper or similar material, one of the major 2o items of expense is the stock used. Consequently,

with economy in manufacture being an essential in this line of endeavor, it is desirable to eliminate wastage of stock, and to use as little stock as possible in keeping with the manufacture of a satis-1 factory and eiiicient product. Usually, in the manufacture Yof fiat bottom cups or containers,

such as ice cream cups, drinking cups and the like, a slightly heavier stock is used. 'than is the case withI conical or envelope containers. Ac'- cordingly, the importance of using as little stock as possible with at bottom containers is greatly magnified.

With the foregoing in mind, it is an important object of the present invention to provide a flat bottom container made of paper or similar mate-l rial in which a very material saving of stock is effected without detracting in any manner from' the eciency and serviceability of the container. Anotherobject of this invention is to provide a flat bottom container made of a plurality of initially separate blanks of stock, in which considerably less stock is used than is the case with containers of similar types heretofore known.

It is also an object of this invention to provide a container made of a plurality of initially separate blanks wherein less stock is used than is the case with containers of similar types heretofore known, without any lesseningof the capacity of the resultant container. Also a feature of the invention is the provision of a new andnovel method of making a container of the character described.

While some of the more salient features, characterlstics'and advantages of the present invention have. been above pointed'out, others will become apparent from the following disclosures, taken in conjunction with the accompanying drawing, in which:

Figure 1 is a central vertical sectional'view o a at bottom container embodying principles of 5 the present invention;

Figure 2 is a top plan view of the container seen in Figure l:

Figure 3 is a reduced plan View of the body blank for the container prior vto its formation into 10' the container body; .I

Figure 4 is a fragmentary enlargement of the lower right hand portion of Figure 1;

Figure 5 is a fragmentary vertical sectional view, illustrating a slightly diiierent form of con- 15 struction; and

Figure 6 is a fragmentary vertical sectional view, illustrating a still different form of construction.,

As shown on the drawing: l

For purposes of illustration, I have selected an embodiment of the present invention in the form of a flat bottom paper drinking cup, or ice cream cup, of a character which is usually disposed of after a single usage, although it will be apparent 25 that the invention is not limited strictly to the illustrated container, but may include containers for other purposes.

The illustrated container or drinking cup includes a body portion l, which may be of trun- 30 cated conical shape as illustrated, having a curled drinking rim 8 at the mouth end thereof. The opposite end of the tubular body portion 'i is closed by a bottom member 9 having a depending lange IB which is, in this instance, adhesively 35 attached to the lower part of the body, as indicated at ii. The lower margin l2 of the body portion, Awhich is-preferably free from adhesive, is then turned inwardly to embrace the lower margin of the flange l0, as seen clearly in Figures l and 4. 40

It will be distinctly noted that the turned margin- I2 terminates a very material distance below-the bottom proper 9, and the annular spacebetween the end of the turned margin i2 and the bottom proper 9 represents the amount of paper stock 45 saved in the manufacture of this container:

The body portion of the container is made from a blank 'la shown in Figure 3. 'This blank,

.prior to its formation into the container body, is

preferably provided with asuitable adhesive I3 50 along one of the side margins of the blank and, another application I4 of adhesive is provided along the bottom margin of the blank.l It will be noted from the showing in Figure 3 that the application of adhesive Il is occurrent above the 55 lower edge of the blank, leaving a vmargin I2a preferably free from adhesive which, in the coml 2 to maintainthe pleted container, is the turned margin I2 mentioned above.

In the making of the container, the body blank Ia` is rst cut to size and provided with the adhesived portions I3 and I4 as above described. This blank is then formed into a tubular body portion with the adhesive I3 uniting overlapped marginal portions, as indicated at I5 in Figure body 1 of the container in proper shape. Either during the formation of the blank Ia into the tubular body or thereafter as may be deemed most feasible, the bottom member 9 is placed in position sufficiently far inside the tube so that the adhesive I4 will unite the flange I0 of the bottom member and the container body. If so desired, a slight ironing or pressing action may be provided to insure the proper adhesion. The' next operation is to turn inwardly the nonadhesived margin I2a. of the blank to provide the turned margin I2 of the container. This latter operation not only effects a better union between the container body and the bottom member, but also provides a relatively smooth base for the container as a whole.

In containers of this type as they were usually manufactured heretofore, the adhesive III was brought substantially to the lower edge of the blank, which blank was longer than-that illustrated herein. When the bottom margin of the blank was turned inwardly, this margin extended substantially to the bottom proper 9 and was adhesively secured to the inner face of the flange I0, necessitating in most instances an ironing operation to insure the proper adhesion. It will be noted that the efficiency and satisfactory operation of the present container is not detracted from in any material degree by the terminating of the flange I2 a relatively considerable distance below the bottom proper 9, thus saving that amount offpaper stock, and by not adhesively uniting the turned margin I2 to the inner face ofthe flange I0, although, if so desired, such adhesive union could be :readily effected in the present invention. When quantity manufacture is considered, it will at once be apparent that the saving of stock effected by the present invention is a very substantial item.

In Figure 5, I have shown a slightly modied form of construction which results in a still greater saving of stock. In this instance, substantially the same container body is provided,

but this body is slightly shorter than as previously described. The bottom member 9 with its flange I0 is adhesively secured to thev body in the same manner as indicatedat II. However, the lower marginal portion' of the body is slightly rolled inwardly as indicated at I6, and

the lower margin of the flange III is also rolled slightly inwardly as indicated at I1, concentrically with the margin I6. The rolling action provides a relativelysmooth base for the container as a whole and also adds to the bond between the body and bottom, but it will be noted that when the slight roll is used. less body material is necessary than with the construction previously described. In Figure 6, I have shown a construction which effects a still greater saving of stock. The bottom member, together with its flange, is joined to the body in the manner above described. In this instance, however, a lower marginal portion I8 of the body is merely turned inwardly so as to overlie the lower edge of the flange I0 on the bottom member and, in this instance,.the turned margin I8 effects little or no engagement with any but the direct lower edge of the flange. Accordingly, the turned margin I8 need not be quite as long as the margin I6 just previously described. i

From the foregoing, it will be apparent that I have provided a highly eicient and satisfactory container which results, in its manufacture, in a material saving of stock, without any detraction from the efliciency of the container or any lessening of its capacity. It will also be noted that a container manufactured in accordance with the principles of this invention and in accordance with the novel method set forth herein eliminates certain expensive manufacturing operations, and the making of the container may be accomplished with great facility and in an economical manner.

I am aware that many changes may be made and numerous details of construction may be varied through awde range without departing from the principles of this invention, and I, therefore, do not purpose limiting the patent granted hereon otherwise than is necessitated by the prior art.

I claim as my invention:

A container of the character described made fromv a body blank and a bottom blank, the body blank having adhesive adjacent a side edge to join overlapping marginal portions to .provide a tubular body, and said body blank having adhesive along the bottom edge but spaced from this edge to leave an edge part vfree of adhesive, a bottom blank having a depending flange disposed in the tubular body with the second said adhesive joining the body and flange, and the lower body edge free from adhesive being turned inwardly so as to-be crimped against the edge of said flange andthe extremity thereof terminating beyond said crimped engagement and a material distance below the bottom proper.

CESARE BARBIERI. 

